negating
ne-gat-ing
adjective
Having the effect of nullifying, cancelling out, or making something ineffective.
"This is a negating factor in the overall result."
verb
Denying the truth or existence of something; making something ineffective or void.
"His actions are negating all our previous efforts."
Thesaurus
Synonyms: belie, contradict, negate, neutralize, neutralise, nullify, contravene
Antonyms: affirm, confirm, corroborate, substantiate, support, sustain